Troubleshooting - Acer LCD-X193HQ Service Manual

Acer
4.1 No Power & LED Off
No power
Check primary
rectifier voltage
Check pin2 of
IC802 voltage
about 16V
Check pin1 of IC802
voltage about 9.0V
Check pin1 of IC802
voltage is below
1.5V

04 Troubleshooting

END
Check
circuit if
short
Check F801, P801,
RT801, D801
CheckC815,D806,
Check primary OVP,
OLP and secondary
feedback, OVP
circuit
Check R803, R807,
R824, R825,R812
48
Acer –LCD-X193HQ
Check IC802,
C805, T801,